package com.example.tests;

import static com.example.tests.GroupDataGenerator.loadGroupsFromCsvFile;
import static com.example.tests.GroupDataGenerator.loadGroupsFromXmlFile;

import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertThat;

import java.io.File;
import java.io.IOException;
import java.util.Iterator;

import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

import com.example.utils.SortedListOf;

public class GroupCreatonTests extends TestBase {
	
  @DataProvider	
  public Iterator<Object[]> groupsFromFile() throws IOException{
	return wrapGroupsForDataProvider(loadGroupsFromXmlFile(new File("groups.xml"))).iterator();
  }
  
@Test(dataProvider = "groupsFromFile")
  public void testGroupCreationWithValidData(GroupData group) throws Exception {
    // save old state
	SortedListOf<GroupData> oldList = app.getGroupHelper().getGroups();
    
    // actions
    app.getGroupHelper().createGroup(group);
        
    // save new state
    SortedListOf<GroupData> newList = app.getGroupHelper().getGroups();
    
    // compare states
    assertThat(newList, equalTo(oldList.withAdded(group))); 
    
  }
 

}